Browns Ferry-2 outage to include turbine work, loading of 3D-printed parts

March 2, 2021, 12:04PMNuclear News

A replacement rotor is lifted and staged for the upcoming Browns Ferry-2 turbine work. Photo: TVA

The Tennessee Valley Authority has begun a refueling and maintenance outage at Browns Ferry-2 that includes the largest scope of turbine deck work since the unit’s construction, as well as innovations in fuel assembly components, the utility announced on March 1.

On deck: All three of the 1,254.7-MWe boiling water reactor’s low-pressure turbines will undergo a comprehensive replacement of major components, including new rotors, inner casings, steam piping and bellows, and turbine supervisory instruments, requiring the support of more than 500 additional outage workers. TVA said that 600 crane lifts will need to be performed for some components, such as the rotors, which weigh up to 327,888 lb., and inner casings, which weigh up to 200,000 lb.

Framatome declares ATF test at Vogtle a success

February 8, 2021, 7:00AMNuclear News

The $111.2 million in financial assistance awarded by the Department of Energy in late 2018 to nuclear fuel developers Framatome, General Electric, and Westinghouse for the development of accident tolerant fuel has yielded some encouraging results.

Framatome reports that the first 18-month fuel cycle test of its GAIA Enhanced Accident Tolerant Fuel (EATF) technology, conducted at Southern Nuclear’s Vogtle-2, has “demonstrated expected results and excellent performance.”

And last month, Westinghouse announced that the topical report on its Advanced Doped Pellet Technology fuel has been accepted for review by the Nuclear Regulatory Commission, calling the decision “a major achievement for the advanced fuel portfolio Westinghouse is developing.”

Fuel innovation: Powering nuclear modernization

January 18, 2021, 9:35AMNuclear NewsBen Holtzman

Today’s U.S. commercial nuclear power plants are fueled with uranium dioxide pressed into cylindrical ceramic pellets—and have been for decades. These pellets are stacked inside long fuel rods made of a zirconium alloy cladding. Innovation in nuclear fuel, however, can improve safety, reduce operating costs, and further enable the development of a new generation of non-light-water reactors.

ORNL to examine irradiated accident tolerant fuel assemblies

December 7, 2020, 12:02PMNuclear News

An accident tolerant fuel experiment developed by Global Nuclear Fuel arrives at Oak Ridge National Laboratory for testing. Photo: ORNL

Global Nuclear Fuel (GNF) has announced that irradiated lead test assemblies of its IronClad and ARMOR accident tolerant fuel (ATF) have been delivered to Oak Ridge National Laboratory for examination. The unfueled IronClad rods and fueled ARMOR rods, the first ATF samples to be installed in a commercial reactor, completed a 24-month fuel cycle at the Hatch nuclear plant near Baxley, Ga., in February and were shipped to ORNL in early November.

The test samples, manufactured at GNF’s facility in Wilmington, N.C., are part of an industry-led effort with the Department of Energy to commercialize new fuels that could help boost the performance and economics of U.S. reactors within the decade. Framatome and Westinghouse are also involved in the DOE’s ATF program.

According to GNF’s December 3 announcement, ORNL’s examination of the samples will include visual inspections, microscopy, and measurements of the thickness, corrosion, and other mechanical and material properties of the cladding. These data, GNF said, will be used to determine the performance benefits of the materials and support the licensing of new fuel technologies with the Nuclear Regulatory Commission.

The DOE’s Office of Nuclear Energy noted in a December 4 press release that initial visual inspections of the test samples showed no visible signs of flaws or degradation on either of the assemblies.

Advanced reactor marketplace

October 29, 2020, 10:35AMNuclear News

Advanced reactor developers see potential markets for reactors in a range of sizes that offer clean, reliable, flexible, and cost-competitive power. Many have reached agreements with suppliers, utilities, and others to support the demonstration and possible deployment of their designs. Nuclear News is following these activities. Read on for updates and check back with Newswire often for more on the Advanced Reactor Marketplace.

Canada has invested Can$20 million in Terrestrial Energy’s 195-MW Integral Molten Salt Reactor through the Ministry of Innovation, Science and Industry, the company announced on October 15. In accepting the investment, Terrestrial Energy, which is based in Oakville, Ontario, has committed to creating and maintaining 186 jobs and creating 52 co-op positions nationally. In addition, Terrestrial Energy is spending at least $91.5 million on research and development. According to the company, the funds will assist with the completion of a key pre-licensing milestone with the Canadian Nuclear Safety Commission.

Two days earlier, Terrestrial Energy USA and Centrus Energy announced that they had signed a memorandum of understanding to evaluate the logistical, regulatory, and transportation requirements to establish a fuel supply for Integral Molten Salt Reactor power plants, which would use standard-assay low-enriched uranium at an enrichment level less than 5 percent.

Uranium recovery facility opens at Framatome’s Richland site

October 12, 2020, 7:00AMNuclear News

Framatome’s new uranium recovery facility in Richland, Wash. Photo: Framatome

Framatome recently announced the opening of a $20-million scrap uranium recovery facility at its fuel manufacturing site in Richland, Wash., one of the French firm’s 14 North American locations. Construction on the approximately 11,000-square-foot building, which replaces a 35-year-old solvent extraction facility, began in July 2017, and it was declared fully operational on September 21, 2020.

According to Framatome’s October 6 announcement, the facility houses new and upgraded equipment for utilizing the solvent extraction process to separate uranium from feed streams containing non-uranium contaminants such as gadolinium. (Non-uranium contaminants, the company noted, include powders, pellets, and liquids that contain non-uranium impurities, making them unsuitable for other forms of recovery.) The recovered uranium is fed through the ammonium diuranate process to extract uranium dioxide. The extracted UO2 is then processed to make nuclear fuel pellets for fuel rods.

Rosatom, Framatome, and GE partner on proposed Bulgarian nuclear plant

June 22, 2020, 11:38AMNuclear News

Rosatom, Russia’s state-owned atomic energy corporation, announced on June 18 that it has teamed up with France’s Framatome and General Electric’s GE Steam Power to participate in a tender to construct the Belene nuclear plant in northern Bulgaria. The Belene project would involve the construction of two AES-92 units, similar to the reactors that Rosatom supplied to India.

Framatome completes I&C project at Belgium’s Doel plant

June 15, 2020, 9:30AMNuclear News

Framatome’s digital instrumentation and control (I&C) systems at the Doel nuclear power plant in Belgium have passed the final site acceptance test, the company announced on June 11. The news marks the completion of the project to modernize the control and emergency systems of Units 1 and 2, both of which entered commercial operation in 1975.

Framatome acquires BWXT’s U.S. nuclear services

June 4, 2020, 10:48AMNuclear News

Framatome has completed its acquisition of BWX Technologies’ U.S. commercial nuclear services business, the France-based company announced on June 2. With this transaction, the company said, Framatome expands its portfolio of equipment and tooling for nuclear power plant inspections and maintenance.

BWXT will receive an 118,000-square-foot manufacturing facility and the associated 11 acres of land from Framatome in the cashless exchange.